Carrier 69NT40-541-306 Operation And Service
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4–17 T-3544.6.13 DataCORDER AlarmsAlarm display is an independent DataCORDER function. If an operating parameter is outside of the expectedrange or a component does not return the correct signals back to the DataCORDER an alarm is generated. TheDataCORDER contains a buffer of up to eight alarms. A listing of the DataCORDER alarms is provided in Table 4–10. Refer to Section 4.6.7 for configuration information.To display alarm codes:a. While in the Default Display mode, press the ALT. MODE & ALARM LIST keys. This accesses the DataCORDER Alarm List Display Mode, which displays any alarms stored in the Alarm Queue.b. To scroll to the end of the alarm list, press the UP AR ROW. Depressing the DOWN ARROW key willscroll the list backward.c. The left display will show "AL#" where # is the alarms number in the queue. The right display will show"AA##," if the alarm is active, where ## is the alarm number. "IA##," will show if the alarm is inactive.d. "END" is displayed to indicate the end of the alarm list if any alarms are active. "CLEAr" is displayed if allthe alarms in the list are inactive.e. If no alarms are active, the Alarm Queue may be cleared. The exception to this rule is the DataCORDERAlarm Queue Full alarm (AL91), which does not have to be inactive in order to clear the alarm list. Toclear the alarm list:1. Press the ALT. MODE & ALARM LIST keys.2. Press the UP/DOWN ARROW key until "CLEAr" is displayed.3. Press the ENTER key. The alarm list will clear and "-----" will be displayed.4. Press the ALARM LIST key. "AL" will show on the left display and "-----" on the right display whenthere are no alarms in the list.5. Upon clearing of the Alarm Queue, the Alarm light will be turned off.Table 4–4 Controller Configuration VariablesCONFIGURATIONNUMBER TITLE DEFAULT OPTIONCnF01 Bypass Valve Enable In OutCnF02 Evaporator Fan Speed dS (Dual) SS (Single)CnF03 Control Sensors FOUr duALCnF04 Dehumidification Mode On OFFCnF05 Reserved for future use ----- n/aCnF06 Condenser Fan Speed Select OFF (Single) On (Variable)CnF07 Unit Selection, 20FT/ 40FT/45FT 40ft 20ft,45CnF08 Single Phase/Three Phase Motor 1Ph 3PhCnF09 Refrigerant Selection r134a r12, r22, bLEndCnF10 Two Speed Compressor Logic Out (Single) In (Dual)CnF11 Defrost "Off" Selection noOFF OFFCnF12 TXV/Solenoid Quench Valve Out (TXV) In (Solenoid)CnF13 Unloader Out InCnF14 Condenser Pressure Control (CPC) In OutCnF15 Discharge Temperature Sensor Out In |
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